uartdpi: Use modern APIs for PTS device about opentitan HOT 7 CLOSED

Oh. I missed this. I should've wait until this PR is created.

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Eunchan wrote:

One more thing to mention is, to make it work on macOS, I had to replace #include <pty.h> to #include <util.h> in hw/dv/dpi/ uart/ gpio DPI files.

We should keep macOS-compat in mind then when choosing the new APIs (if possible)

from opentitan.

@eunchan, @imphil , scrubbing stale issues... Is this still open?

from opentitan.

yes

from opentitan.

This issue came up in the D3 review for UART.
Is this something that we can close or re-categorize?

from opentitan.

This seems like a nice-to-have cleanup that should not gate D3 for the IP. However, it hardly seems critical, given that the current APIs are present on all the platforms we target.

Even if we want to turn this into a requirement, the issue targets the simulation environment, so I feel that the associated milestone should be V3 (if at all). My opinion is that it shouldn't gate any of the chip milestones, though.

from opentitan.

Thanks @a-will. Let's label this as V3 for now, and re-categorize once we are holding the V3 signoff review.

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